@book{17578,
	author = {Ferreira, Gerhard Victor.},
	title = {Ervaar as psigopedagogiese kategorie /},
	publisher = {Werkgemeenskap ter Bevordering van die Pedagogiek as Wetenskap, Fakulteit Opvoedkunde, Universiteit van Pretoria,},
	year = {1973 [i.e. 1974]},
	address = {Pretoria :},
	note = {Summary in English.}
}